﻿/*
-----------------------------------------------------------------------------
This source file is part of Cell Cloud.

Copyright (c) 2009-2012 Cell Cloud Team - cellcloudproject@gmail.com

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/

#ifndef CellCachedThreadPool_h
#define CellCachedThreadPool_h

#include "CellPrerequisites.h"
#include "CellThreadPoolExecutor.h"

namespace cell
{
/** \addtogroup Core
 *  @{
 */
/** \addtogroup General
 *  @{
 */

/** 支持线程缓存的线程池。
@author
	Jiangwei Xu
@par
	可缓冲线程池仅在线程数量不足以执行新任务时创建线程。
*/
class _CellExport CachedThreadPool : public ThreadPoolExecutor, public GeneralAlloc
{
public:
	/** 构造函数。
	*/
	CachedThreadPool(const String& name, uint32 coreSize, uint32 maxSize);

	/** 析构函数。
	*/
	virtual ~CachedThreadPool(void);

public:
	/**
	*/
	bool resetMaxPoolSize(uint32 newSize);

	/**
	*/
	bool resetCorePoolSize(uint32 newSize);

protected:
	/**
	*/
	void beforeExecute(Runnable* task);

	/**
	*/
	void afterExecute(Runnable* task);
};

/** @} */
/** @} */
} // end namespace cell

#endif // CellCachedThreadPool_h
